Drag-line excavator.



R. W. M. HAGER.

DRAG MN ANIMATION Mmm Mms, 191s.

Patented July 2 SHA1.

il M

SVANTE ROBERT 'VVLLIAIVI MATTSSON BAGER, O'ir MILVJAUKEE, W'ISCONSIN, ASSIGNOI T0 EUCYRUS COMPANY, F SOUTH MILWAUKLEE, XVISCONSIN, A CORPORATION OF i WISCONSIBL DRAGLINE EXCAVATOL.

i nomino.

Specifica tion. of Lettore; la tent.

latontotl July 15H l.

Application filed Moy 3, 1913. Serial No. 765,2-l.

Bo it known that I', Sli/ANTE R. YV. M. Bun-1u, n nulljrot ot the King of Sweden. rosiding;l at lllilwanlt'oo, in tlio county ot' Milwauluo and Stato ot' llriconnin, havo invented a certain no :ind usot'ul lutin-oromontin ADrag-'Lino liliwarators, ot' which tlw following in a specitioation.

My invention relatos to improvements n1 drag" lino oxcavators und. tho lilto and i5 illustratod {litigi-:uninatiicfally in one forni in tlio artoinpnnriiioi drawing. wherein-- ltiguro t shows the bucket in thel oxenrating; position; Fig. 2 shows tho lnultol; in the carrying' oooition; Fig'. 3 shows the liurlcot `in tlio dumping;r position.

Vliilo parts are,` inclil'atod liy like lotttrs tlirtiugi'lun'uy the aovoral figures.

'.illio lnuflt'rt A oprn at 'trout and top is; ro\"i\ltd willi tlm t. ..ct'a\fating lip A l. l`luf sido aro ont awayy upwardl),Y and Vtornmully troni tlnl txt'avatingf lip i and tfrrniiintt(x in tlio linorrf; or lugs; A haring n rolf-S bar or stud inoinlior A connecting;- tlunn. A hoisting liai! or yoko l* Vis pirondlt mounted. on tlio lnufltot at, a point` lan-l; ot tlio oontor ol gravity. A. atop It on tlio sido-s oit tlio lun'lfot in opposition lo tlu lyolio or bail il limit# its: 'forward niowniont. toward 'Lillo nos@ o'li tlul liu'zlu-t. ".lili@ lioiatingr bail or yoke il. vari-ionI tilu- :luaros A tin-rotin. drug` lino londra troni a hoisting outino not :lion n to tlio nono ol tluf lnur'n'ul.

noction B* lroiu'ilny SuitallltI nnrlianinin not Sliowu to (-outl'ol or arrwt at tlio will ol.' tlio opmat'or tlm uioi'ern'cnt ot t'lu` .slioaw lll. Ji. lioiating;q lino lili loads troni a liointing: ongino not .liown along tlw siluaro dopotuting downwardly to torni a loop B about tln'` slioavo A paaisos up owitlnl Hlnnro IS and (flownwardl); in a trou ond owr tlw #lnavo to n point, of attauliinont lr" on tlio crono liar .V at tlm noso ot llio bucket. 'l`ln lioistfungv tino LluisV torniinatos in a doo'nul'ardli' (loin-.ruling loop and und botli ol which aro in inovnlilo oonuot'tion with` tlm liail, or yoliktb `tho end boing; nlm in fixed oonnootnon witn tlm nose of tlio'lnufltot.

1t will loo evident that, While il havo .Sliown in my drawing nn operativo tloviro, still many changes might be matto iu size. sliapo und arrangoniont o l` partol without dopartlng inatorially troni tlio` Ipirit' ot nir invention, and 'I win-li, tlurrotoro, that my ilrawiinr lio roggnrdod as in a nuns-,o diagraniuult'if. 'l'ln uw and oporntion ot inv inwntion arras follows: -Witli tllo lnuflut' in tlu digging' position as shown in Vig'. l, when tln, ilrai: lino is, drawn in tlio lnu'luzt will 'lio dl'nggod forward and. Vximo tho drag;i lino is attat-lnrd to tlio luu'liot at a point forward ol" and aoort tlio vulling;` algo or lip. tln` lun-lut will tilt` lorwartlly :1nd downwardl)V to digi as' irnfliratod. llilun tlw lnu'liol llas lloro lillml tlu drag lino `will lm loosonrd and lli. luu'lut will tlwn nottlo down into a lutlixontal poni-- tion. 'llio hoisting lino will llion lio drawn in. 'l`lir tension in tilio lino u ill. invo it; in appliod directly to the; lnulict at thi,l noso. tend to tip tllo noso upw'ardly and ronr wardl)v toward tlic .volto and 'rotato ilu lnu'liot into tlul ptr-ation shown in lig. t. until tlul Yoko ('onnfs in contat-t willi ilux stop on tln` lnu'lwt wlion t'nrtlior rotation will orafa* and tln liuultot will lio rasf'd. 'l`ln l'ar't that tlnl lvolto if; Iiirotod to tlu lnulit-l at a pointy lnliind or ln'low tlul rontor ot .tyran it)r would loud to malto tluI linvl'ot till f|ownwardly lult this tunning' nioronunt in orar Conto by tlu: pull ol tlio liointing;` lino wliiili tondato forno tln nono ol' tlio lnnlut to agnoat'li tlio slwavo oror wliioln it www tluvvolto. Silico tlio lururapo through n'li tlii.-: forro atts is nun-li .Lroator than t'uf lororagir througli` 'wliioll tlnman, ol' tlio lnnrlurt, nota it will lotI ovidcnt that. wliilo tlii` loro@ is equal to only ono-third tlio woiglit of tln? lnu'ltot, still tlio lnufliot will lio tipped into tlm 'arin'iirgr position an Fliown in Fit'. 2 quito iiulopondont of tlio draf: lintl and. an long aS the tension in tlio tlirt'o parts ot' tlio hoistingf ropo romainsI orlual [lio lnukot will #wing in tllo carr \'in; v position and may lio swung baul; and `t'ortll bonoatli tln liooin without disturbing itu equililn-iiun. lVllon it iadosirod to dump tho lnujlwt it is nooossary only to apply tllo lornko and hold tho lnusltot ond ot' tlio hoisting rope in tlio lixod osi tion wliilo continuing to raiso on tllo loop and aliortou it. This will raise the hoisting volwA and permit the Slieavo on tlio yoke to ride up along tlio bucket and of tlm hoistingl ropo, thus: permitting tho distance botweon tlio 1 liiavo and tlm nose ol tln` lnukot to incroaso. 'lliis will continuo until tho liuckot lumps when the 0nd of tho rope becomes 11o 

